Mailbox



FIG. 1 is a front perspective view of a mailbox showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a right side elevational view;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view.

The broken line showing of the word mail in FIGS. 1,2, and 6 and the bird in FIGS. 1,2,4 and 5 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a mailbox, as shown and described. 